Functional Roles
Industries Served
Physical Properties
melting_point
u00c3u00a2u00cbu2020'97u00b0C
boiling_point
123u00b0C at 1013 hPa (converted to 101.3 kPa) (760 mm Hg)
density
Specific Density: 0.94 (water = 1)
solubility
Water Solubility: 1,000,000 mg/L at 20u00b0C (modeled data).
vapor_pressure
11.9 hPa (converted to 1.19 kPa) at 20u00b0C
flash_point
25.5u00b0C
GHS / SDS Safety
Warning
Irritant
Health Hazard
Flammable
Corrosive
- H315 (11%): Causes skin irritation [Warning Skin corrosion/irritation]
- H225: Highly Flammable liquid and vapor [Danger Flammable liquids]
- H336: May cause drowsiness or dizziness [Warning Specific target organ toxicity, single exposure; Narcotic effects]
- H318 (32.8%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
- Not Classified
- H332: Harmful if inhaled [Warning Acute toxicity, inhalation]
- H373: May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]
- H317 (17.3%): May cause an allergic skin reaction [Warning Sensitization, Skin]
- H319 (10.7%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H317: May cause an allergic skin reaction [Warning Sensitization, Skin]
- H226 (55%): Flammable liquid and vapor [Warning Flammable liquids]
- H332 (58%): Harmful if inhaled [Warning Acute toxicity, inhalation]
- Reported as not meeting GHS hazard criteria by 1 of 1 companies. For more detailed information, please visit ECHA C&L website.
- H371: May cause damage to organs [Warning Specific target organ toxicity, single exposure]
Chemical Identity
| CAS Number | 2768-02-7 |
| IUPAC Name | ethenyl(trimethoxy)silane |
| InChI Key | NKSJNEHGWDZZQF-UHFFFAOYSA-N |
| PubChem CID | 76004 |
Synonyms & Trade Names
Full Description
Vinyltrimethoxysilane (VTMS) is an organosilane coupling agent with the molecular formula C5H12O3Si that provides adhesion promotion and coupling functionality between organic and inorganic materials. This liquid chemical (boiling point 123°C, density 0.94 g/cm³) serves critical applications across agriculture, coatings & construction, industrial manufacturing, plastics & polymers, and textiles industries. VTMS enhances interfacial bonding and improves mechanical properties in composite materials, coatings, and polymer systems where enhanced adhesion is required.